There are very few good books in this area, although the number is increasing.

虽然书的数量在增加，但在这个领域内鲜有好书。

youdao

Roughly 50 million people in the United States suffer from hypertension, and the number is increasing.

报道说，美国大约有5000万人患有高血压症，而且患病人数还呈逐年上升趋势。

youdao

Over 1.4 million base stations exist worldwide and the number is increasing significantly with the introduction of third generation technology.

世界范围内有140多万个基台，而且随着引进第三代技术，数量正在显著增多。

youdao

The drone strikes have really intensified under his tenure. He famously,after much deliberation, is increasing the number of troops in Afghanistan,"

VOA: standard.2010.01.19

Intensity, if we increase the intensity, we're not increasing the energy in each photon, we're just increasing the number of photons that we're shooting out of our laser, whatever our light source is.

强度，如果我们增加强度，我们增加的不是,每个光子的能量，我们增加的仅仅是,从我们激光源射出的光子数，无论我们的光源是什么。

麻省理工公开课 - 化学原理课程节选

This is because even though z, the atomic number is still increasing, we are also getting further away from the nucleus.

从有效核电量方面来想一想为什么，这是因为，尽管，Z，原子序数依然在变大，但我们同时也在离原子核越来越远。

麻省理工公开课 - 化学原理课程节选

But the price is that the number of churches is increasing.

ECONOMIST: Christianity in China

The issue here is that the idea of increasing the number of immigrants is very important to the business community, which in turn, makes it very important to many conservative Republicans.

NPR: Week In Politics: Immigration & Benghazi

What it shows is that the number of complaints is increasing.

BBC: Complaints against London's bus drivers on the rise